Key Apple 2 Manuals
Software
AppleSoft Manual
AppleSoft Manual in French
A Touch of Applesoft Basic
Apple II DOS 3.3 Manual
Beneath Apple DOS
Beneath Apple ProDOS
Computers
Apple IIe Reference Manual
Apple IIe User Guide (text only)
Apple IIgs User Guide (text only)
Apple IIe Owner's Manual, text only, as prepared by Raised Dot Computing for making a (VersaBraille) braille copy
Apple 2 Woz Wonderbook 1977 (Apple internal notes about the Apple 2 computer)
Apple 2 Redbook (first major Apple Manual, Jan. 1978)
Peripherals
Echo II Manual
Apple 3.5 drive Manual
apple 5.25 drive Manual
80 Column Text Card Manual for Apple IIe
Extended 80 Column Card Manual Supplement for Apple IIe
Apple IIgs Memory Expansion Card User Manual
Super Serial Card Manual
Apple Imagewriter II
PC Transporter (run PC software on an Apple II) from Applied Engineering